Design and application of novel protective ventilator circuit component
10.19745/j.1003-8868.2025077
- VernacularTitle:新型防护型呼吸回路管的设计与应用
- Author:
Wei-zhou WU
1
;
Kang LU
1
;
Jing-jie CAO
1
;
Zhi-hua ZHAO
1
;
Hai-tao LAN
1
;
Zan-chao CHEN
1
;
Qing-feng XUE
1
Author Information
1. 联勤保障部队第985医院,太原 030001
- Publication Type:Journal Article
- Keywords:
ventilator circuit component;
mechanical ventilation;
sputum care;
ventilator-associated pneumonia
- From:
Chinese Medical Equipment Journal
2025;46(4):113-117
- CountryChina
- Language:Chinese
-
Abstract:
Objective To develop a novel protective ventilator circuit component and to verify its performance by water seal and anti-splash experiments.Methods A novel protective ventilator circuit component had a design scheme with the multifunctional joint,and consisted of a tee connection tube,an isolation sleeve and a stop sleeve,of which,the tee connection tube was made of polyethylene polymer material and the others were made of silicone material.The tee connection tube had a T-shaped structure with two standard connection ports,which was composed of an adapter,a sealing cap,a plug and a sealing ring;the isolation sleeve was in the shape of a cylinder with a raised bottom,which was inserted into the adapter;the stop sleeve was located in the isolation sleeve,with an inverted frustum of a cone at the bottom and a rounded hole in the middle of the inverted frustum.An open ventilator circuit tube was involved in the performance verification of the circuit component developed.In the water seal experiment,sputum aspiration was simulated and the heights of the liquid level drop in the L-shaped tubes were compared after sputum aspiration.In the anti-splash experiment,the infection rates on the surfaces of the sterile hole towels and gloves were calculated.Results Water seal experiment showed after sputum aspiration the open ventilator circuit tube had the liquid level at the L-shaped tube higher significantly than that of the circuit component;the anti-splash experiment indicated sputum aspiration resulted in the occurance of the splashing out of the secretion and 77.5%infection rate by the open ventilator circuit tube,while no splashing out and 0%infection rate by the circuit component developed.Conclusion The novel protective ventilator circuit component behaves well in sealing and anti-splashing,and thus is worthy of clinical application for sputum aspiration.[Chinese Medical Equipment Journal,2025,46(4):113-117]
